[libvirt] [PATCH 03/12] conf: introduce a new func virDomainRNGEquals

virDomainRNGEquals is a func which check if two rng device are the same. Signed-off-by: Luyao Huang <lhuang(a)redhat.com&gt; --- src/conf/domain_conf.c | 34 ++++++++++++++++++++++++++++++++++ src/conf/domain_conf.h | 3 +++ 2 files changed, 37 insertions(+) diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c index aafc05e..91c114e 100644 --- a/src/conf/domain_conf.c +++ b/src/conf/domain_conf.c @@ -11922,6 +11922,40 @@ virDomainChrRemove(virDomainDefPtr vmdef, return ret; } +bool +virDomainRNGEquals(virDomainRNGDefPtr src, + virDomainRNGDefPtr tgt) +{ + if (!src || !tgt) + return src == tgt; + + if (src->model != tgt->model) + return false; + + if (src->rate != tgt->rate || src->period != tgt->period) + return false; + + switch ((virDomainRNGModel) src->model) { + case VIR_DOMAIN_RNG_MODEL_VIRTIO: + switch ((virDomainRNGBackend) src->backend) { + case VIR_DOMAIN_RNG_BACKEND_RANDOM: + return STREQ_NULLABLE(src->source.file, tgt->source.file); + break; + case VIR_DOMAIN_RNG_BACKEND_EGD: + return virDomainChrSourceDefIsEqual((virDomainChrSourceDef *) src->source.chardev, + (virDomainChrSourceDef *) tgt->source.chardev); + break; + case VIR_DOMAIN_RNG_BACKEND_LAST: + break; + } + break; + + case VIR_DOMAIN_RNG_MODEL_LAST: + break; + } + return false; +} + char * virDomainDefGetDefaultEmulator(virDomainDefPtr def, virCapsPtr caps) diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h index 57297cd..c197095 100644 --- a/src/conf/domain_conf.h +++ b/src/conf/domain_conf.h @@ -2597,6 +2597,9 @@ virDomainChrInsert(virDomainDefPtr vmdef, virDomainChrDefPtr virDomainChrRemove(virDomainDefPtr vmdef, virDomainChrDefPtr chr); +bool +virDomainRNGEquals(virDomainRNGDefPtr src, + virDomainRNGDefPtr tgt); int virDomainSaveXML(const char *configDir, virDomainDefPtr def, -- 1.8.3.1